32
Error Messages
These appear when a systemic or procedural error has occurred. Possible errors include
cable disconnection and communication interruption.
4.2.2 Making Selections
The Diagnostics application is a menu-driven program that presents a series of options.
As you select from a menu, the next menu in the series appears. Each selection narrows
the focus and leads to the desired test.
4.3 Auto Scan
There are two options available in the Navigation Bar on the left side of the screen when
accessing the Diagnosis section (Figure 4-9):
1. Auto Scan
—
starts auto scanning for all the available systems on the vehicle
2. Control Unit
—
displays a selection menu of all the available control units of the test
vehicle
The main section of
Auto Scan
screen displays a System List for most vehicles, but a
topology map at the same time for some vehicles, including Volkswagen, Audi, BMW,
Ford, Land Rover, Jaguar, Chrysler, Fiat, Volvo, and more.
A. Topology Tab Page
The Topology tab page displays a system distribution diagram of the vehicle control
modules.
Figure 4-10
Topology Tab Page
